Top 10.869

tan CED = √ 3 = 1.73205080757

Angle KDL = 45

Without knowing that KDL = 45

The Total Area = 810

Radius R = 8.94427191

Pink Area = 22 / 3

BDC = CBD = 78

Angle ACD = 30

Proof that DM & CM Trisect AB

Shaded Area = 5

Unit Circle. x² + y² - xy = 1